Samsung Electronics Co., Ltd.

Seoul National University

Hitachi, Ltd.

Snu Rdb Foundation

Intellimicrons Co., Ltd.

Yong-Kweon Kim

Masaaki Matsumoto

Kyo Akagi

Yasuhiro Kato

Jong-woo Shin

Akira Iida

Yoon-Sik Lee

Bum-kyoo Choi

Yun-kwon Park

Jea-Shik Shin

Seung-hyun Song

Chang-Yul Cheon

Seong-Hyok Kim

Young-Woo Kwon

Dae-Hong Jeong

Chang-Wook Baek

Yang-Soo Lee

Yong-Seung Bang

Yul Koh

Myung-Haing Cho

Homan Kang

The present invention relates to a method for separating nanoparticles and analyzing a biological substance using a microfluidic chip. The microfluidic chip of the present invention is effective in more sensitively and precisely detecting an analyte. According to the present invention, the use of the microfluidic chip enables the separation of nanoparticles through separation holes on the basis of size, achieving highly reliable analysis of a biological substance. In conclusion, the microfluidic chip of the present invention uses separation holes adapted to the size of nanoparticles to greatly increase the reliability of analysis of a biological substance, which will contribute to a marked improvement in the reliability of analysis based on microfluidics and a microfluidic system.

Method for separating nanoparticles and analyzing biological substance using microfluidic chip

An array variable capacitor apparatus includes a line unit including a ground line and a signal line which operates as a lower electrode; and a plurality of plates which are engaged with the line unit to generate capacitance and which operate as upper electrodes, the plurality of plates being arranged in an array pattern and having different degrees of stiffness.

Array variable capacitor apparatus

Provided is a detection apparatus of Raman scattering and light scattering, and more particularly, a simultaneous detection apparatus of Raman scattering and dynamic light scattering and a detection method using the same. The simultaneous detection apparatus of Raman scattering and light scattering includes: a detection unit for applying incident light to a sample, and detecting Raman scattering in 90&#xb0; or 180&#xb0; geometry and light scattering in 90&#xb0; or 180&#xb0; geometry in order to simultaneously collect Raman scattering and light scattering; and a computer connected to the detection unit to obtain at least one of the size and distribution of particles from the detected light scattering, and to obtain information of the molecular structure from the detected Raman scattering. This apparatus may simultaneously observe the size of nano-sized or larger material and molecular information thereof, and phenomena accompanying changes in molecular environment according to material variation and changes of the material in size and distribution, and thus is very useful for studying nano materials and protein antigens and antibodies.

Simultaneous detection apparatus of raman and light scattering

A gyroscope which comprises: a driving fixed electrode () being fixed; a driving displacement electrode () being opposite to the driving fixed electrode, and being able to be displaced in a first direction; an inertial mass () being connected to the driving displacement electrode (), being displaced in the first direction according to the first directional displacement of the driving displacement electrode (), and being displaced in a second direction when an angular rate is applied; a sensing displacement electrode () being connected to the inertial mass (), and being able to be displaced in the second direction according to the second directional displacement of the inertial mass (); and a sensing fixed electrode () being opposite to the sensing displacement electrode and being fixed. The driving displacement electrode () is supported by a folded spring () movable in the first direction, and the sensing displacement electrode is supported by a folded spring () movable in the second direction.

Gyroscope

The present invention is concerning an element antenna to construct an efficient antenna system, which is able to control mechanical movement of micro-strip patch antenna and to control electrical phase of signal. The movement of an element antenna is come from movement of a platform on which the element antenna is formed. The platform is made of dielectric material and able to move independently from base. The element antenna can be controlled to any direction. An antenna patch has magnetic material layer such as nickel on the backside. The antenna patch is driven by magnetic force.

Mechanical beam steering antenna and fabricating method thereof

A deformable mirror device and manufacturing method therefore. The method includes the steps of forming an electrode layer on a substrate in a predetermined pattern, forming a thick film on the upper surfaces of the substrate and the electrode layer, forming a support plate on the upper surface of the thick film, and partially etching the thick film to form at least one through hole. The method further includes separating the support plate into single portions, forming a post on one side of the inner surface of the through hole, forming a reflecting plate on the upper surface of the support plate, and removing the thick film.

Deformable mirror device and manufacturing method thereof

A deformable mirror device and manufacturing method therefor. The method includes the steps of forming an electrode layer on a substrate in a predetermined pattern, forming a thick film on the upper surfaces of the substrate and the electrode layer, forming a support plate on the upper surface of the thick film, and partially etching the thick film to form at least one through hole. The method further includes separating the support plate into single portions, forming a post on one side of the inner surface of the through hole, forming a reflecting plate on the upper surface of the support plate, and removing the thick film.

A disk unit has a recording medium disk; a head for reading and writing information on said disk; a first actuator for moving said head relative to said disk, said first actuator having no bearing structure; a second actuator for rotating said disk, said second actuator having no bearing structure; and a housing for housing said disk, said head, said first actuator and said second actuator.

Disk unit

Thin external memory unit with hard disk

Growing community of inventors

Seoul, South Korea

Yong-Kweon Kim